Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, SC

July 16, 2012Hampton County, South Carolina

NWS Charleston, SC issued this special weather statement at Jul 16, 2012, 9:03 PM EDT for Hampton County, South Carolina. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 16, 2012, 9:03 PM EDT (01:03 UTC)
Expired: Jul 16, 2012, 9:45 PM EDT
In force: 42 min
Issued by: NWS Charleston, SC

County Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 29 km from the middle of the area, began a volume at 01:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.1 hours before the alert went out and 309 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1704 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1426 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this special weather statement went out at Jul 16, 7:51 PM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jul 16, 7:51 PM EDT, 1 hour 12 minutes before

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Hazardous weather outlook, Jul 16, 11:48 AM EDT, 9 hours 15 minutes before

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In the hours before

Special weather statement, Jul 16, 9:03 PM EDT, 0 minutes before

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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 1:10 PM EDT	Severe Thunderstorm Warning	CHS	Screven	50 min
Jul 17, 1:26 PM EDT	Special Weather Statement	CHS	Effingham	34 min
Jul 17, 2:19 PM EDT	Special Weather Statement	CHS	Candler	41 min
Jul 17, 4:57 PM EDT	Severe Thunderstorm Warning	CHS	Effingham	63 min
Jul 17, 5:00 PM EDT	Special Weather Statement	CHS	Long	30 min
Jul 17, 5:21 PM EDT	Severe Thunderstorm Warning	CHS	Long, Tattnall	28 min
Jul 17, 2:44 PM EDT	Special Weather Statement	CHS	Colleton	31 min
Jul 17, 2:52 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	68 min
Jul 17, 3:22 PM EDT	Special Weather Statement	CHS	Hampton	38 min
Jul 17, 4:14 PM EDT	Special Weather Statement	CHS	Beaufort	31 min
Jul 17, 4:39 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	66 min
Jul 17, 4:47 PM EDT	Special Weather Statement	CHS	Dorchester	28 min
Jul 17, 5:09 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	44 min
Jul 17, 5:38 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston, Dorchester	82 min

Nearby

Special Weather Statements in South Carolina, 2012 Every special weather statement in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.